Wireless Powered Speaker Voice Carrier - SW232. Audience Size: Up to 2,500. Room Size: Up to 25,000 sq. ft. Take the Wireless Voice Carrier with wireless dual powered speakers outdoors, to an auditorium, or set it up in a conference room. 50 watt multimedia stereo amplifier with built-in wireless mic receiver and 3 mic inputs, two Dual Module 50 Watt Wireless Powered Speakers and transmitter, 3 tripods, bracket for flexible gooseneck with mic holder. Comes with professional cardioid dynamic handheld mic with 15-ft. cord and your choice of one wireless mic (lapel w/ headset, handheld, or over single ear headset) + transmitter Includes rugged nylon reinforced carrying case on wheels with extendible luggage handle. Power all 3 components with 10 D-cell alkaline batteries (not included) for up to 200 hours; S1460 International AC Adapter/recharger; or S1465 Rechargeable Nicad Battery Pack (requires S1460).